by Kastro CVE-2026-128049
OpenMage magento-lts — OpenMage Magento LTS before 20.18.2 CSRF via OAuth Authorization Confirm
Description · from the CVE record
OpenMage Magento LTS before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a cross-site request forgery vulnerability in the admin and storefront OAuth confirm and confirmSimple actions, which accept GET requests without form-key validation. Attackers holding OAuth consumer credentials can lure a logged-in administrator or customer to a crafted confirm URL that authorizes the attacker's request token, then exchange it at /oauth/token for a persistent REST API access token bound to the victim.
Affected
ProductAffectedFixed inSource
magento-lts< 20.18.220.18.2CNA
magento-lts21.0.0-beta1 – < 21.0.0-beta321.0.0-beta3CNA
Scores by source
VulnCheck (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
VulnCheck (CNA)9.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H